Summary of positive news from listed companies on the evening of March 29 ( including the list )

Multiple listed companies in the Shanghai and Shenzhen markets released important announcements on the evening of March 29. Below is a summary of the positive news:

ST Zhiyun: The company’s stock will cancel other risk warnings starting March 31

ST Zhiyun (300097) announced on March 29 that its application to cancel other risk warnings has been approved by the Shenzhen Stock Exchange. According to relevant regulations, trading of the company’s stock will be suspended for one day starting from the market open on March 30, 2026, and will resume on March 31, 2026, with the cancellation of other risk warnings. The stock’s abbreviation will change from “ST Zhiyun” to “Zhiyun Co., Ltd.” while the stock code will remain “300097.” After the cancellation of other risk warnings, the daily price fluctuation limit for the company’s stock trading will still be 20%.

Baibang Technology: Planning a change in company control, trading suspended from March 30

Baibang Technology (300736) announced on March 29 that it has recently received notifications from its controlling shareholders, Da’an Century, Yuehua Zhongcheng, and actual controller Liu Tiefeng, that they are planning matters related to the change of company control, which may lead to a change in the company’s controlling shareholder and actual controller. Upon the company’s application to the Shenzhen Stock Exchange, trading of the company’s stock will be suspended starting from the market open on March 30 (Monday), with the suspension expected to last no more than two trading days.

Tianshan Aluminum: Q1 net profit expected to increase by 107.92% year-on-year

Tianshan Aluminum (002532) released a performance forecast on March 29, expecting a net profit attributable to shareholders of 2.2 billion yuan in the first quarter of 2026, representing a year-on-year increase of 107.92%. The main reasons for the company’s performance growth are: the partial production of the 1.4 million tons electrolytic aluminum green low-carbon energy efficiency improvement project, with electrolytic aluminum production and sales volume increasing by approximately 10% year-on-year; meanwhile, the sales price of electrolytic aluminum products increased by about 17% year-on-year, and production costs were effectively controlled, showing a year-on-year decline, achieving synergy in volume and price. The company also disclosed its annual report on the same day, reporting a net profit attributable to shareholders of 4.818 billion yuan in 2025, an increase of 8.13% year-on-year.

San’an Optoelectronics: Chairman and General Manager plan to increase their shareholdings

San’an Optoelectronics (600703) announced on March 29 that the company’s chairman Lin Zhiqiang and vice chairman and general manager Lin Kechuang plan to increase their shareholdings in the company through the Shanghai Stock Exchange system by centralized bidding within six months starting from March 31. Lin Zhiqiang plans to increase his holdings by 20 million to 40 million yuan, while Lin Kechuang plans to increase his holdings by 5 million to 10 million yuan.

Dianhun Network: Plans to invest 49.2 million yuan to acquire 51% equity of Shanghai Manhun

Dianhun Network (603258) announced on March 29 that it plans to invest a total of 49.2 million yuan through equity transfer and capital increase to acquire 51% equity of Shanghai Manhun Fantasy Planning and Design Co., Ltd. (referred to as “Shanghai Manhun”). Upon completion of the transaction, Shanghai Manhun will become a controlled subsidiary of the company and will be included in the company’s consolidated financial statements. Shanghai Manhun is a leading domestic company in the secondary dimension derivative industry, focusing on the development, production, and sales of IP derivatives. This transaction will achieve actual control over Shanghai Manhun, which will quickly integrate scarce IP resources and mature channels, promote the company’s strategic layout in the new growth track of secondary dimension derivatives, which the country is prioritizing, and construct a “game + IP derivatives” dual-driven model to optimize the company’s revenue structure; on the other hand, by integrating Shanghai Manhun’s business layout and cooperation resources in Japan, it can open up overseas channels for IP derivatives, accelerating the international dissemination of Chinese game IP.

(Source: Dongfang Wealth Research Center)